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EP 2 307 688 A1

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(43) Date of publication: 13.04.2011 Bulletin 2011/15 (21) Application number: 09790307.4 (22) Date of filing: 10.07.2009

(51) International Patent Classification (IPC):  F02D 41/00(2006.01) F02D 41/26(2006.01) F02D 41/36(2006.01) B60K 31/00(2006.01) F02D 41/30(2006.01) (86) International application number: PCT/US2009/050322 (87) International publication number: WO 2010/006311 (14.01.2010 Gazette 2010/02)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR Designated Extension States: AL BA RS (30) Priority: 11.07.2008 US 80192 09.10.2008 US 104222 16.01.2009 US 355725 (71) Applicant: Tula Technology, Inc. Santa Clara, CA 95054 (US)

(72) Inventors: TRIPATHI, Adya, S. San Jose, CA 95148 (US) SILVESTRI, Chester, J. Los Gatos, CA 95032 (US) PIRJABERI, Mohammad San Jose, CA 95120 (US) SAHANDIESFANJANI, Farzad San Jose, CA 94134 (US) CHANDLER, Christopher W. Campbell, California 95008 (US) HAND, Chris San Jose, CA 95126 (US) WILCUTTS, Mark Berkeley, California 94709 (US) SWITKES, Joshua P. Menlo Park, California 94025 (US) (74) Representative: Wyrwoll, Alexander  Weigel, Wyrwoll & Kollegen Frauenlobstrasse 2 80337 München 80337 München (DE)